43.21% is the change from 641 to 918
Calculation steps:
[( 918 - 641 ) ÷ 641] x 100 = 43.21%
Formula
Percentage change = [(918 - 641) / 641] x 100
Subtract the new number by the original number
918 - 641 = 277
277 ÷ 641 = 0.43213728549141966
0.43213728549141966 x 100 = 43.21%